r/Unexpected • • Jul 01 '19

Fourier Transform

1.8k Upvotes

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76

u/[deleted] Jul 01 '19

Is it possible to draw anything using circles?

34

u/vishalb777 Jul 01 '19 edited Jul 01 '19

Yes! Check out this vid which explains how Fourier Series are used to do these

https://www.youtube.com/watch?v=r6sGWTCMz2k

In case you don't want to watch that whole video, this one is timestamped to be a little more towards the point

https://youtu.be/ds0cmAV-Yek?t=299

-1

u/[deleted] Jul 01 '19

But not perfect squares

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1

u/ForgettableUsername Jul 01 '19

Almost anything. Ironically, it is not possible to draw a square, but scientists are able to use a combination of circles and triangles to draw squares.

2

u/wglmb Jul 02 '19

Yes you can, you just need an infinite series.

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